Illustration that vgo does not (as of 2018-02-23) import "source" attribute from dep metadata

go.mod

module "me/example"

require (
	"github.com/armon/go-socks5" v0.0.0-20160902184237-e75332964ef5
	"golang.org/x/net" v0.0.0-20180218175443-cbe0f9307d01
)

Gopkg.lock

# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.


[[projects]]
  branch = "master"
  name = "github.com/armon/go-socks5"
  packages = ["."]
  revision = "5ab49e6379c2e1ea5f402e29430ac01f39e60acc"
  source = "github.com/artyom/go-socks5"

[solve-meta]
  analyzer-name = "dep"
  analyzer-version = 1
  inputs-digest = "48ec66c27c4be1d5d849c7840b1c13c6d7a65c8827bc0567361e9f8da7407ecb"
  solver-name = "gps-cdcl"
  solver-version = 1

Gopkg.toml

[[constraint]]
  branch = "master"
  name = "github.com/armon/go-socks5"
  source = "github.com/artyom/go-socks5"

main.go

package main

import (
	"flag"
	"fmt"
	"os"

	socks5 "github.com/armon/go-socks5"
)

func main() {
	addr := "localhost:1080"
	flag.StringVar(&addr, "addr", addr, "address to listen")
	flag.Parse()
	if err := run(addr); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}

func run(addr string) error {
	if addr == "" {
		return fmt.Errorf("addr must not be empty")
	}
	server, err := socks5.New(&socks5.Config{})
	if err != nil {
		return err
	}
	return server.ListenAndServe("tcp", addr)
}